يقدم تحديث لغة Racket 9.2 الجديد تحسينات هامة، حيث يفرض قيوداً وفحوصات أكثر صرامة على الأنماط غير الخطية في صيغة المطابقة، مما قد يؤدي لتعطل بعض الأكواد غير المتوافقة. كما قامت النسخة المكتوبة Typed Racket بتصحيح تصنيف دالتي الجيب وجيب التمام العكسيين للأعداد المركبة لضمان دقة العمليات، مما قد يسبب أخطاء برمجية أثناء الترجمة. وأخيراً، أصبحت عمليات الحروف والنصوص تعتمد كلياً على معيار ترميز يونيكود 17.0 الأحدث.

#Racket #Programming

Bay Area Racket Meet-up - Saturday June 6, 3pm for people interested in Racket & Lisps, #fp and related topics at Noisebridge hackerspace, SF. Register at https://luma.com/35gm6zha Ann:
https://racket.discourse.group/t/bay-area-racket-meetup-june-6-3pm/4222
#racket #lisp #scheme
Bay Area Racket Meetup · Luma

Social event for people interested in the Racket programming language, other Lisps, functional programming, language-oriented programming and related…

Dear Fedi,

I'd like to tap the hive mind for advise regarding enabling a 12 year old of my relatives to learn programming (or at least understand the process a bit better).

1. Which programming language? I am undecided between #Python and #Racket --- but open for other suggestion. I think I'd like to avoid a compiled or a statically typed language for the beginning, because this just increases the barrier of entry.

A good eco system (preferrably with graphics) and available literature for self-study are also a must.

2. Which book can I recommend for self-study? The guy is tri-lingual and can read and speak Spanish, German and English --- so the language of the book doesn't matter. I'll just get whichever is available.

#kids #learn #programming

🌗 Racket v9.2 版本發佈
➤ 強化型別安全與編譯器嚴謹度:Racket v9.2 重點更新解讀
https://blog.racket-lang.org/2026/05/racket-v9-2.html
Racket 團隊近日釋出了 v9.2 版本,此次更新涵蓋了從編譯器語法檢查到標準函式庫優化等多項核心變更。開發者需特別注意 `match` 模式匹配規則的收緊,以及 Typed Racket 對 `asin` 與 `acos` 函數型別定義的調整,這些改動可能會導致現有程式碼無法通過編譯。此外,新版本升級至 Unicode 17.0 標準,並引入了 `ffi2` 介面作為未來擴充的基礎,同時優化了文件生成工具 Scribble 的響應式佈局。
+ 這次對 `match` 的非線性模式限制非常關鍵,雖然可能會造成現有程式碼失效,但長期來看對於減少執行時錯誤大有裨益。
+ 終於支援 Unicode 17.0 了!這讓 Racket 在處理現代化國際化字元時更加可靠,感謝所有貢獻者。
#程式語言 #軟體開發 #Racket #版本更新
Racket v9.2

_posted by Stephen De Gabrielle and John Clements_ We are pleased to announce Racket v9.2 is now available from https://download.racket-lang.org/. As of this release:: The `match` form checks that when non-linear patterns (patterns where the same vari...

🚀 Breaking news from the #Racket overlords: #v9.2 is here to fix your nonlinear pattern nightmares and save you from the horror of unsound complex numbers! 📉🎉 Watch in awe as your precious legacy code crumbles under the weight of "improvements" no one asked for. 🙈💥
https://blog.racket-lang.org/2026/05/racket-v9-2.html #NonlinearPatterns #LegacyCode #Improvements #ComplexNumbers #HackerNews #ngated
Racket v9.2

_posted by Stephen De Gabrielle and John Clements_ We are pleased to announce Racket v9.2 is now available from https://download.racket-lang.org/. As of this release:: The `match` form checks that when non-linear patterns (patterns where the same vari...

Racket v9.2

_posted by Stephen De Gabrielle and John Clements_ We are pleased to announce Racket v9.2 is now available from https://download.racket-lang.org/. As of this release:: The `match` form checks that when non-linear patterns (patterns where the same vari...

Racket v9.2

_posted by Stephen De Gabrielle and John Clements_ We are pleased to announce Racket v9.2 is now available from https://download.racket-lang.org/. As of this release:: The `match` form checks that when non-linear patterns (patterns where the same vari...

Racket v9.2

_posted by Stephen De Gabrielle and John Clements_ We are pleased to announce Racket v9.2 is now available from https://download.racket-lang.org/. As of this release:: The `match` form checks that when non-linear patterns (patterns where the same vari...

Racket v9.2

_posted by Stephen De Gabrielle and John Clements_ We are pleased to announce Racket v9.2 is now available from https://download.racket-lang.org/. As of this release:: The `match` form checks that when non-linear patterns (patterns where the same vari...

Rhôôô, le pire n'est jamais décevant !
#internet #câbles #trafic #iran #racket #BeautéDuMonde